第一个图形化桌面上的脚本

#!/bin/bash
# sample script menu

function diskspace {
  clear
  df -k
}

function whoseon {
  clear
  who
}

function menusage {
  clear
  cat /proc/meninfo
}

function menu {
  clear
  echo
echo -e "\t\t\tSys Admin Menu\n"
echo -e "\t1. Display disk space"
echo -e "\t2. Display logged on users"
echo -e "\t3. Display memory usage"
echo -e "\t0. Exit program\n\n"
echo -en "\t\tEnter option: "
read -n 1 option
}

while [ 1 ]
do
  menu 
  case $option in
  0)
    break;;
  1)
    diskspace;;
  2)
    whoseon ;;
  3)
    menusage ;; 
  *)
    clear
    echo "Sorry ,wrong selection";;
esac
echo -en "\n\n\t\tHit any key to continue"
read -n 1 line
done
clear